From 19d36fbf144517faacd752518f37684cd73d7f00 Mon Sep 17 00:00:00 2001
From: William Yang <mscame@gmail.com>
Date: Mon, 1 Aug 2022 15:27:51 +0200
Subject: [PATCH] ci: assert no restart_emulator in relup

---
 build | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/build b/build
index 6672685be..2f773d295 100755
--- a/build
+++ b/build
@@ -104,7 +104,14 @@ make_relup() {
     fi
     ./rebar3 as "$PROFILE" relup --relname emqx --relvsn "${PKG_VSN}"
 
-    # rollback relup
+    # assert that there is no 'restart_emulator' in relup
+    # EMQX wants hot upgrade without VM restart
+    if grep restart_emulator "${releases_dir}/${PKG_VSN}/relup"; then
+        echo "Error: restart_emulator instruction found in relup";
+        exit 1
+    fi
+
+    # rollback rel file per releases
     #
     if [[ ${PKG_VSN} == 4.3* ]]; then
         echo "restore upgrade base rel files... "